Hello,
I’m writing to get some guidance.
I’m testing the migration from Gateway_Chassis to HA_Chassis_Group in OpenStack
Neutron, and I noticed VLAN DVR routing not working in the following scenario:
- ,,external’’ network type VLAN that is used for default route and SNAT/DNAT
gateway_chassis : []
ha_chassis_group : 9c8a379b-6a3d-4a1b-84ab-c1d6bd9096c2
options : {reside-on-redirect-chassis="true"}
- internal VLAN type network - LRP
gateway_chassis : []
ha_chassis_group : []
options : {reside-on-redirect-chassis="true"}
- internal Geneve type network
gateway_chassis : []
ha_chassis_group : []
options : {}
With that setup - SNAT/DNAT for internal VLAN network instances works, but
direct routing between internal Geneve and VLAN type networks does not
After adding ha_chassis_group setting to LRP in internal VLAN type network -
everything starts working - but I assume that centralises all traffic on the
Chassis nodes.
I’d like to get some guidance how that should be configured to achieve DVR for
VLAN networks (and maybe the configuration created by Neutron is correct, but
we’re hitting some bug).
More details in Neutron Launchpad bug (with OVN versions and ovn-nbctl outputs)
- https://bugs.launchpad.net/neutron/+bug/2124259
Thanks for help,
Michal_______________________________________________
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